Ηθοποιοί

• Ewan McGregor — Rodney Copperbottom (voice)
• Robin Williams — Fender (voice)
• Greg Kinnear — Ratchet (voice)
• Amanda Bynes — Piper
• Mel Brooks — Big Weld (voice)
• Halle Berry — Cappy (voice)
• Drew Carey — Crank
• Jennifer Coolidge — Aunt Fanny
• Paula Abdul — Watch
• Jim Broadbent — Madame Gasket (voice)
• Will Denton — Young Rodney (voice)
• James Earl Jones — Voice Box at Hardware Store (voice)
• Al Roker — Mailbox (voice)
• Jennifer Perito — Additional Voices (voice)
• Natasha Lyonne — Loretta Geargrinder (voice)
• Damien Fahey — Stage Announcer (voice)
• Paul Giamatti — Tim the Gate Guard (voice)
• Lucille Bliss — Pigeon Lady (voice)
• Terry Bradshaw — Broken Arm Bot (voice)
• Marshall Efron — Lamppost / Toilet Bot / Bass Drum / Microphone
• Stanley Tucci — Herb Copperbottom (voice)
• Jay Leno — Fire Hydrant (voice)
• Dianne Wiest — Mrs. Copperbottom (voice)
• Chris Wedge — Wonderbot / Phone Booth (voice)
• Harland Williams — Lug (voice)
• Dan Hedaya — Mr. Gunk (voice)
• Lowell Ganz — Mr. Gasket (voice)
• Jackie Hoffman — Water Cooler (voice)
• Stephen Tobolowsky — Bigmouth Executive / Forge (voice)
• Jansen Panettiere — Younger Rodney (voice)
• Alan Rosenberg — Jack Hammer (voice)
• Chris Moyles — Stage Announcer (voice)